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implement lop3

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This commit is contained in:
Laku 2018-08-22 10:02:18 +03:00
parent b38d67d940
commit 8e8326595f
2 changed files with 55 additions and 0 deletions
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36
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -849,6 +849,28 @@ private:
}
}
void WriteLop3Instruction(Register dest, const std::string& op_a, const std::string& op_b,
const std::string& op_c, const std::string& imm_lut) {
std::string result;
result += '(';
for (u32 i = 0; i < 32; ++i) {
std::string ix = std::to_string(i);
if (i)
result += '|';
result += "(((" + imm_lut + ">>(((" + op_c + ">>" + ix + ")&1)|((" + op_b + ">>" + ix +
")&1)<<1|((" + op_a + ">>" + ix + ")&1)<<2))&1)<<" + ix + ")";
}
result += ')';
LOG_DEBUG(HW_GPU, "LOP3 Shader code: {}", result);
if (dest != Tegra::Shader::Register::ZeroIndex) {
regs.SetRegisterToInteger(dest, true, 0, result, 1, 1);
}
}
void WriteTexsInstruction(const Instruction& instr, const std::string& coord,
const std::string& texture) {
// Add an extra scope and declare the texture coords inside to prevent
@ -1297,6 +1319,20 @@ private:
instr.alu.lop.pred_result_mode, instr.alu.lop.pred48);
break;
}
case OpCode::Id::LOP3_C:
case OpCode::Id::LOP3_R:
case OpCode::Id::LOP3_IMM: {
std::string op_c = regs.GetRegisterAsInteger(instr.gpr39);
std::string lut;
if (opcode->GetId() == OpCode::Id::LOP3_R) {
lut = '(' + std::to_string(instr.alu.lop3.GetImmLut28()) + ')';
} else {
lut = '(' + std::to_string(instr.alu.lop3.GetImmLut48()) + ')';
}
WriteLop3Instruction(instr.gpr0, op_a, op_b, op_c, lut);
break;
}
case OpCode::Id::IMNMX_C:
case OpCode::Id::IMNMX_R:
case OpCode::Id::IMNMX_IMM: {